Updated box shoadow for navbar dropdown menus

build/less/dropdown.less

@@ -24,10 +24,11 @@
   }
 }
 
-/*
-    Navbar custom dropdown menu
-------------------------------------
-*/
+//Navbar custom dropdown menu
+.navbar-nav .dropdown-menu {
+  box-shadow: none;
+}
+
 .navbar-nav > .notifications-menu,
 .navbar-nav > .messages-menu,
 .navbar-nav > .tasks-menu {
@@ -42,7 +43,6 @@
     padding: 0 0 0 0!important;
     margin: 0!important;
     top: 100%;
-    //.border-radius(4px)!important;
   }
   //Define header class
   > .dropdown-menu > li.header {

dist/css/AdminLTE.css

@@ -918,10 +918,9 @@ a:focus {
 .dropdown-menu > .divider {
   background-color: #eee;
 }
-/*
-    Navbar custom dropdown menu
-------------------------------------
-*/
+.navbar-nav .dropdown-menu {
+  box-shadow: none;
+}
 .navbar-nav > .notifications-menu,
 .navbar-nav > .messages-menu,
 .navbar-nav > .tasks-menu {